2653401615 has 16 divisors (see below), whose sum is σ = 4276434528. Its totient is φ = 1404816896.

The previous prime is 2653401587. The next prime is 2653401617. The reversal of 2653401615 is 5161043562.

It is a cyclic number.

It is not a de Polignac number, because 2653401615 - 2¹³ = 2653393423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653401617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643542 + ... + 647651.

It is an arithmetic number, because the mean of its divisors is an integer number (267277158).

Almost surely, 2^2653401615 is an apocalyptic number.

2653401615 is a deficient number, since it is larger than the sum of its proper divisors (1623032913).

2653401615 is a wasteful number, since it uses less digits than its factorization.

2653401615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291338.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2653401615 is about 51511.1795147422. The cubic root of 2653401615 is about 1384.4193571929.

It can be divided in two parts, 265340161 and 5, that added together give a triangular number (265340166 = T₂₃₀₃₆).

The spelling of 2653401615 in words is "two billion, six hundred fifty-three million, four hundred one thousand, six hundred fifteen".